Update bazel to 0.3.1
Update bazel to 0.3.1


cloudendpoints/service-control-client-cxx,gurgenh/service-control-client-cxx,gurgenh/service-control-client-cxx,cloudendpoints/service-control-client-cxx,cloudendpoints/service-control-client-cxx,gurgenh/service-control-client-cxx